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Definitions

senescent

[si-nes-uhnt] / sɪˈnɛs ənt /


ADJECTIVE
obsolescent
Synonyms




Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The review also explains that senescent cells build up in many specialized cell types, including hepatocytes, endothelial cells, fibroblasts, macrophages, astrocytes, and epithelial cells.

From Science Daily • May 22, 2026

In each of these systems, cells can become senescent due to factors such as oxidative stress, mitochondrial dysfunction, DNA damage, chronic inflammation, metabolic stress, telomere shortening, ultraviolet radiation, and environmental pollution.

From Science Daily • May 22, 2026

The review warns that broad removal of senescent cells could potentially interfere with tissue repair, immune surveillance, blood vessel stability, and structural integrity in sensitive organs such as the heart, lungs, and brain.

From Science Daily • May 22, 2026

In some cases, senescent cells may actually help protect and repair the body.

From Science Daily • May 22, 2026

In one thin arm, threaded with veins in a kind of senescent bas-relief, was a basket.

From "The Great Santini" by Pat Conroy




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